Blood sampling pen



FIG. 1 is a perspective view of blood sampling pen showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is an enlarged left side elevation view thereof;

FIG. 5 is an enlarged right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

CLAIM The ornamental design for blood sampling pen, as show and described. 